Resubmissions

24/06/2024, 05:18

240624-fzb33a1fnr10

24/06/2024, 04:41

240624-fblmlaxdpd10

24/06/2024, 03:21

240624-dwf7hawcpg10

General

  • Target
    bb7170cddabbe302e36414eb9ecae880.bin
  • Size 11KB
  • Sample240624-fblmlaxdpd
  • SHA256 4ad0a67280e6fb6b7e307d599c6362816ef086e505539028f23a4ab8d61eb9bc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7d

Botnet
  • HacKed

C2
  • bar-fri.gl.at.ply.gg:36706

Mutex
  • b3138e85921a1262aba82bcb6c7c507d

Attributes
  • reg_key

    b3138e85921a1262aba82bcb6c7c507d

  • splitter

    |'|'|

Targets

    • Target
      fc2631c62f5aadf52a4f83289493d04a5ab8a108d004eb6a55eacbf98df41f08.exe
    • Size 23KB
    • SHA256 fc2631c62f5aadf52a4f83289493d04a5ab8a108d004eb6a55eacbf98df41f08
    • MD5 SHA1 SHA512 SSDEEP
    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Stops running service(s)

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks